.modality-page {
  min-height: 100vh;
  background: var(--paper);
}

.modality-page .topbar {
  position: static;
}

.modality-shell {
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto;
  padding: 62px 0 84px;
}

.modality-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1.14fr);
  gap: 46px;
  align-items: end;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line);
}

.modality-kicker,
.modality-eyebrow,
.modality-meta,
.modality-label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.modality-kicker {
  margin: 0 0 18px;
  color: var(--cobalt);
}

.modality-hero h1 {
  max-width: 760px;
  margin: 0;
  color: var(--navy);
  font-size: clamp(48px, 7vw, 92px);
  line-height: 0.96;
  letter-spacing: -0.055em;
}

.modality-hero h1 span {
  color: var(--cobalt);
}

.modality-lede {
  max-width: 570px;
  margin: 25px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.62;
}

.modality-note {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 12px;
  max-width: 570px;
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.modality-note .status-dot {
  margin-top: 6px;
}

.modality-map {
  overflow: hidden;
  border: 1px solid #26466f;
  border-right: 8px solid var(--saffron);
  border-bottom: 8px solid var(--saffron);
  background: var(--navy);
  box-shadow: var(--shadow);
}

.modality-hero-art {
  display: grid;
  gap: 15px;
}

.modality-map-illustration {
  border-right-width: 8px;
  border-bottom-width: 8px;
}

.modality-map-mini {
  max-width: 540px;
  justify-self: end;
  border-right-width: 5px;
  border-bottom-width: 5px;
}

.modality-map img {
  display: block;
  width: 100%;
  height: auto;
}

.modality-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 29px 0 0;
}

.modality-nav a,
.modality-cta,
.diagram-download {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 40px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  background: var(--paper-bright);
}

.modality-nav a:hover,
.diagram-download:hover {
  border-color: var(--cobalt);
  color: var(--cobalt);
}

.modality-nav a.is-active {
  border-color: var(--cobalt);
  color: var(--paper-bright);
  background: var(--cobalt);
}

.modality-section {
  padding-top: 54px;
}

.modality-section-heading {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: end;
  margin-bottom: 21px;
}

.modality-section-heading h2 {
  max-width: 650px;
  margin: 0;
  color: var(--navy);
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1;
  letter-spacing: -0.045em;
}

.modality-section-heading p {
  max-width: 390px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.diagram-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.diagram-card {
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--paper-bright);
  box-shadow: var(--shadow-small);
}

.diagram-card figure {
  margin: 0;
  background: var(--paper-bright);
}

.diagram-card img {
  display: block;
  width: 100%;
  height: auto;
}

.diagram-caption {
  display: grid;
  gap: 9px;
  padding: 18px 20px 20px;
  border-top: 1px solid var(--line-light);
}

.diagram-caption strong {
  color: var(--navy);
  font-size: 18px;
}

.diagram-caption p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.diagram-caption-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
}

.diagram-download {
  min-height: 31px;
  padding: 6px 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.format-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.format-card {
  display: grid;
  gap: 11px;
  min-height: 228px;
  padding: 25px;
  background: var(--paper-bright);
}

.format-card:nth-child(2) {
  background: #e7ebf2;
}

.format-card:nth-child(3) {
  color: var(--paper-bright);
  background: var(--navy);
}

.format-card h3 {
  margin: 0;
  color: var(--navy);
  font-size: 25px;
  letter-spacing: -0.035em;
}

.format-card:nth-child(3) h3 {
  color: var(--paper-bright);
}

.format-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.format-card:nth-child(3) p {
  color: #b9c5d8;
}

.format-card a {
  align-self: end;
  color: var(--cobalt);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.format-card:nth-child(3) a {
  color: var(--saffron);
}

.video-frame {
  overflow: hidden;
  border: 1px solid #26466f;
  border-top: 7px solid var(--saffron);
  background: var(--navy);
  box-shadow: var(--shadow);
}

.video-frame video {
  display: block;
  width: 100%;
  height: auto;
  background: var(--navy);
}

.video-meta-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
  gap: 18px;
  margin-top: 18px;
}

.video-meta-card,
.transcript-card {
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--paper-bright);
}

.video-meta-card h2,
.transcript-card h2 {
  margin: 0 0 15px;
  color: var(--navy);
  font-size: 24px;
  letter-spacing: -0.035em;
}

.video-meta-card ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 14px;
}

.transcript-card p {
  margin: 0 0 11px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.58;
}

.transcript-card p:last-child {
  margin-bottom: 0;
}

.transcript-card time {
  display: inline-block;
  min-width: 45px;
  margin-right: 6px;
  color: var(--cobalt);
  font-family: var(--mono);
  font-size: 11px;
}

.modality-footer {
  margin-top: 67px;
  padding-top: 23px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.modality-footer a {
  color: var(--cobalt);
  font-weight: 700;
  text-decoration: none;
}

@media (max-width: 900px) {
  .modality-hero,
  .video-meta-grid {
    grid-template-columns: 1fr;
  }

  .modality-hero {
    gap: 31px;
  }

  .diagram-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 650px) {
  .modality-shell {
    width: min(100% - 30px, 1240px);
    padding-top: 36px;
  }

  .modality-hero h1 {
    font-size: 50px;
  }

  .modality-section-heading {
    display: grid;
    gap: 16px;
  }

  .format-strip {
    grid-template-columns: 1fr;
  }

  .modality-map {
    border-right-width: 5px;
    border-bottom-width: 5px;
  }

  .modality-map-mini {
    justify-self: stretch;
  }

  .diagram-caption-row {
    align-items: flex-start;
    flex-direction: column;
  }
}